CE approved internal protectors at shoulders, elbows, hip and knees (CE Certified EN 1621-1:97), Aerodynamic Hump, Perforated leather to improve ventilation, Elasticated leather panels at knees, back arm hole for comfortable, flexible movement, double layer leather reinforcement at elbow, shoulder and seat Velcro inside front panel to facilitate a chest protector if needed, Tail bone padding, Removable knee. ers (option) Detailed Cowhide Leather Protector Shirring Tailbone Pad, Punched Inner Mesh, Bank Sensor, Neoprene Cuff, MFJ Approved Model, Bunk Sensor Sold Separately